Window scraper



FIG. 1 is a front perspective view of a window scraper illustrating my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear end elevation view thereof; and,

FIG. 7 is a left side elevation view thereof. 

The ornamental design for a window scraper, as described and shown. 